I run the MOROSO 4 vane pump, after 4 pass I drain the breather and get out about 1/2 a cup of oil, to me that seems OK, but the breather tank filter is usually wet with oil, I have it mounted about 1 inch higher than where it pulls from the front of the left side valve cover. I was thinking I need to weld a small baffle in the valve cover to limit the oil, what do you guys think? Or, what does yours do?? Thanks Gary G.
Gary I run a Peterson oil/vac pump with the evac tubes running to the top and front of each valve cover. When I was running on the dyno and about 15 runs after using Modil 1 I had nearly no oil to empty out. I changed the oil installing Royal Purple at a lighter weight and now after each run I have a small amount to drain out. Not a 1/2 cup of oil, I would say about a 1/4 cup for every 2 passes. Maybe with your tubes being on the sides of the cover you are getting some splashed oil being sucked out, where as a small baffle may help. I mentioned my oil loss to Doug hecker, who explained to me with the light weight oil combined with the engine now broken in, the pump is now working well.
Thanks Rick, I think I will put a small baffle in. I'm just concerned that the pump will not get lubed as required. I've been running 10w40 synthetic, not a real light oil, and from what I understand the pump only needs alittle oil for lube anyways, and if it's pulling vaccuum, it's getting some oil too. Gary G.
oil Don't worry about the oiling. It will get plenty from the mist off the vacuum. If it starts to get dry, it will get noisy from the vanes sticking. Then all you have to do is pop the line off and sqirt some oil in it. NIce new avator. You need the front wheels up just a litle higher. :Brow:
Rick, Is that an SRE mandrel on this picture of your engine? I have the same pulley on my engine with an ATI damper with chevy bolt pattern, is that what yours is?
Jeff, the mandrel I have is from Steve @ SRE. I'll send ya a picture of that with the oil pump pics. Gary G.
Same here. Got the entire set up, oil pan to valve covers, Peterson vac/pump, the pump mount to the timing cover, all the fittings and hardware instructions minus braided lines from Steve. It all fit perfectly! This is a better view
Thanks guys. Can you adjust the pulley front to back with spacers on SRE's mandrel or is the pulley fixed? I dont have a crank trigger "as of yet", so my spacing would be different.
That much oil in the catch can after every run is normal for a non-baffled system. It's for that reason that I followed Rob Chilenski's example and mounted a Moroso billet breather in the oil fill hole on the valve cover and let the pump suck through it. That particular breather has a sponge-like baffle inside and it unscrews so you can clean it and even pour in your oil through there. I never get more than a few drops of oil draining out of the catch can after a run. Just enough to let me know it's working.
Thanks Doug. Jeff, no the pulley is not "fixed" in position, you can space it . Rick, looks nice, that's a pretty long assy. I didn't buy the oil/vac pump set up besause I was told it had a hard time pulling 12 in. of vac. so I did the MOROSO set up. I haven't had the car with this current combo. down the track yet, so I'm not sure how much oil will be in the breather. Gary G.
